#!/bin/bash

# Slackware build script for wolfmame

# Copyright 2021 David Ferrone RI, USA
# All rights reserved.

# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=wolfmame
VERSION=${VERSION:-0.251}
WOLFVER=wolf${VERSION#0.}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;; ## Unknown if this builds on a 32bit machine.
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG/opt $OUTPUT
cd $PKG/opt
# Rename the output directory name as it's extracted.
tar xvf $CWD/$PRGNAM-$WOLFVER.tar.gz --xform="s/^$PRGNAM-$WOLFVER/$PRGNAM/"
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

cd $PKG/opt/$PRGNAM

# The following and make options are from mame slackbuild
# Use ccache by default - massively cuts down on rebuild time
# Tun off with USE_CCACHE=no
export CCACHE_SLOPPINESS=pch_defines,time_macros,include_file_mtime,include_file_ctime

if [ "${USE_CCACHE:-yes}" = "yes" ]; then
  CC="/usr/bin/ccache /usr/bin/clang"
  CXX="/usr/bin/ccache /usr/bin/clang++"
else
  CC="${CC:-$( which gcc )}"
  CXX="${CXX:-$( which g++ )}"
fi

# See top of makefile for full list of options
make \
     USE_SYSTEM_LIB_EXPAT=1 \
     USE_SYSTEM_LIB_ZLIB=1 \
     USE_SYSTEM_LIB_JPEG=1 \
     USE_SYSTEM_LIB_FLAC=1 \
     PYTHON_EXECUTABLE="/usr/bin/python3 -S" \
     OPT_FLAGS="$SLKCFLAGS" \
     LDOPTS="-fuse-ld=gold" \
     OVERRIDE_CC="$CC" \
     OVERRIDE_CXX="$CXX" \
     CC="$CC" \
     CXX="$CXX" \
     PRECOMPILE=1 \
     ARCH="" \
     VERBOSE=1


find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

# Make directory for recording .inp files (if errors try -m 777)
# Make cfg directory, allowing users to save configuration of controllers, etc.
install -d -o games -g users -m g+rwx inp cfg

# Install wrapper script and .desktop files
install -D -m 0755 $CWD/$PRGNAM -t $PKG/usr/bin/
install -D -m 0644 $CWD/$PRGNAM.desktop -t $PKG/usr/share/applications/
install -D -m 0644 $CWD/$PRGNAM.png -t $PKG/usr/share/pixmaps/

# Install man pages and gzip
install -D -m 0644 docs/man/*.1 -t $PKG/usr/man/man1/
install -D -m 0644 docs/man/*.6 -t $PKG/usr/man/man6/
gzip -9 $PKG/usr/man/man*/*.{1,6}

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a COPYING wolfmame.txt docs/LICENSE docs/README.md \
   $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE
